ETHEREAL OILS. 465 



boils at 250 ; almost insoluble in cold water, more 

 easily soluble in hot water. 



Tbe following oils consist entirely of hydrocarbons, 

 which are isomeric with oil of turpentine, and very 

 similar to it : 



Oils of lemon, orange, apricot, and bergamot, in the 

 shells of the various species of Citrus ; 



oils of lavender and spike, in the blossoms and leaves 

 of Lavandula angustifolia and Lavandula latifolia ; 



oils of juniper and sabine, in the berries of Juniperus 

 communis and Juniperus sabina; 



oil of camphor trees, the oil in elemi, in balsam oj 

 copaiva, in black pepper, in cubebs, etc. 



The following are mixtures of several compounds, 

 which are partially but little known : 



Anise oil, from the seed of Pimpinella Anisum (p. 

 380).* 



Apricot-blossom oil, from the blossoms of Citrus Au- 

 rantium. 



Cajeput oil, from the leaves of species of Melaleuca. 



Calamus oil, from the root of Acorus Calamus. 



Caraway oil, from the seeds of Carum carvi. 



Cascarilla oil, from the bark of Croton Eluteria. 



Chamomile oil, from the flowers of Matricaria Chamo- 

 milla. Deep blue. 



Cinnamon oil, from the barks of Per sea Cinnamomum 

 and Persea cassia (p. 373). 



Clove oil, from cloves (blossom-buds of Caryophyllus 

 aromaticus) (p. 381). 



Coriander oil, from the leaves of Coriandrum sativum. 



Curled-mint oil, from the green portions of Mentha 

 crispa. 



Fennel oil, from the seeds of Fosniculum officinale.* 



Lozenge oil, from Ruta graveolens (p. 112). 



* The oils marked with a star solidify even above 0, depositing 

 oxygenized compounds (stearoptenes). 



